1211220301102 has 32 divisors (see below), whose sum is σ = 2201235445440. Its totient is φ = 487955466240.

The previous prime is 1211220301069. The next prime is 1211220301117. The reversal of 1211220301102 is 2011030221121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2952799 + ... + 3337882.

It is an arithmetic number, because the mean of its divisors is an integer number (68788607670).

Almost surely, 2^{1211220301102} is an apocalyptic number.

1211220301102 is a deficient number, since it is larger than the sum of its proper divisors (990015144338).

1211220301102 is a wasteful number, since it uses less digits than its factorization.

1211220301102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6291516.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1211220301102 its reverse (2011030221121), we get a palindrome (3222250522223).

The spelling of 1211220301102 in words is "one trillion, two hundred eleven billion, two hundred twenty million, three hundred one thousand, one hundred two".